Home / 803,305.79-1,108,573.30-440,723.06

Finding the Fourth Proportional to 803,305.79, 1,108,573.30 and 440,723.06

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Solution

The fourth proportional to 803,305.79, 1,108,573.30 and 440,723.06 is: 608,204.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,305.79 : 1,108,573.30 = 440,723.06 : x
  2. Step 2: Convert to fraction form
    803,305.79/1,108,573.30 = 440,723.06/x
  3. Step 3: Cross multiply
    803,305.79x = 1,108,573.30 × 440,723.06
  4. Step 4: Simplify right side
    803,305.79x = 488,573,817,010.30
  5. Step 5: Solve for x
    x = 488,573,817,010.30/803,305.79
  6. Step 6: Final answer
    x = 608,204.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.